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Computerworld: Getting Started With Linux

"To hear some people tell it, Linux is taking the world by
storm. Unilever, a $52 billion consumer products giant, is
switching to Linux to run its businesses around the world. Major
vendors such as IBM, SAP AG and Computer Associates International
Inc. are porting mainstream business applications and utilities to
the low-cost, open-source operating system.

"But not every IT shop is out on the leading edge of Linux; many
are just starting to explore the open-source phenomenon. For them,
Linux's practical implications are a major concern. IT managers
face day-to-day challenges such as how to perform version control
and how to back up and restore data. They also need to know how
much training their staffs will need and whom to call for technical
support at 2 a.m.

"The good news: You can do almost anything on Linux that you can
do on a mainframe or distributed systems. The bad news: It will
require you to learn some new concepts and terminology..."